|Hubble Finds Oxygen Atmosphere on Jupiter's Moon, Europa - *Credit:* Walter Feimer/STScI [ http://www.stsci.edu/ ]|
*Description*:> Artist's Concept This animation depicts the presence of an extremely tenuous atmosphere of molecular oxygen around Jupiter's moon, Europa. It's icy surface is exposed to sunlight and is impacted by dust and charged particles trapped within Jupiter's intense magnetic field. Combined, these processes cause the frozen water ice on the surface to produce water vapor as well as gaseous fragments of water molecules...
Keywords: What -- Moon; What -- Europa